#mian{
    position: relative;
    background-color: whitesmoke;
    border: 3px solid #dddddd;
    width: 1440px;
    height: 2400px;
    margin: 10px auto;
    margin-bottom: -100px;
}

#title{
    position: relative;
    left: -500px;
    /*margin: 0 auto;*/
    text-align: center;
    transform: rotateZ(-10deg);
}
.content{
    background-color: white;
    border: 10px solid gainsboro;
    box-shadow: 5px 5px 10px black;
    width: 90%;
    height: 90%;
    margin:0 auto;
    position: relative;
    top:-5px;
}
#limit{
    /*background-color: #e8e8e8;*/
    position: relative;
    top: 60px;
    width: 500px;
    text-align: center;
    margin: 0 auto;
}
.a3{
    margin-left: -6px;
    text-decoration: none;
    list-style-type: none;
    color: black;
    position: relative;
    /*border: 1px solid black;*/
    top: -10px;
    border-radius: 3px;
    display: inline-block;
    text-align: center;
    width: 50px;
    height: 30px;
    padding-top: 10px;
}
.a3:visited{
    color: black;
}
.a3:link{
    color: black;
}
.a3:hover{
    color: darkorange;
}
.d1{
    position: relative;
    top: 30px;
    background-color: white;
    border: 1px solid #e8e8e8;
    width: 90%;
    height: 200px;
    margin: 0 auto;
}
.d1 ul{
    list-style-type: none;
}
.d1 ul li{
    /*position: absolute;*/
    margin-left: 10px;
    position: absolute;
}
.sp11{
    /*background-image: url("https://assets.nightcherry.com/cms/upload/300075/5f315ed925ae4.png");*/
    /*background-size:150%;*/
    background-position:-25px 2px;
    background-repeat: no-repeat;
    display:inline-block;
    width: 150px;
    height: 160px;
    /*height: inherit;*/
    position: relative;
    left: 30px;
    top: 20px;
    background-color: black;
    border-radius: 3px;
    overflow: hidden;
}
.sp11>img{
    position: relative;
    display: block;
    width: 150px;
    height: 160px;
    transition: 0.5s all ease-in-out;
}

.sp11 img:hover{
   transform: scale(1.1);

}